The owners of a warehouse property in Bushwick are reconsidering plans to convert it to office space—at least for the time being.

Instead, the partnership of investment firms, including Normandy Real Estate Partners, Royalton Capital and Princeton Holdings, have signed a 100,000-square-foot temporary lease at 333 Johnson Ave. with the United States Postal Service, a decidedly less-sexy tenant than the creative and tech brands the group hoped for when it purchased the building two years ago.

Though Brooklyn neighborhoods such as Sunset Park and Dumbo have become popular homes for firms, Bushwick has struggled to catch on with office tenants. Landlords have instead had to turn their attention to industrial users—a segment of the leasing market buoyed by the rise of e-commerce, which requires warehouses to store merchandise close to population centers for quick deliveries.

"We are still advancing our plans to do creative office space," said Travis Feehan, a principal at Normandy. "But industrial is rocking right now and we want to be flexible."

USPS will use the facility to store packages for last-mile deliveries during the busy holiday season, when the volume of shipments increases dramatically. Although the lease only lasts until February, Feehan said it demonstrates the building's usefulness in the increasingly competitive field of logistics as demand from online retailers for speed is rising.

"Having the Post Office use this space for last-mile deliveries makes the property feel like a real proposition for more industrial users," Feehan said.

Dealing a setback to developers like Normandy, which envisioned Bushwick as a creative hotspot because of the neighborhood's street art, population of young residents and hip dining and nightlife options, is the looming L train closure set to take place in 2019.

"Because of the L train tunnel shutdown, almost all sizable tenants are being dissuaded from taking space in Bushwick right now," said Chris Havens, an office leasing broker with the Brooklyn-focused commercial brokerage TerraCRG. "One day, Bushwick is going to be a great little office district, but in the meantime the leasing is very slow."

Buildings like 455 Jefferson St., which was purchased by Lincoln Properties and a partner in 2015 for $46 million, have remained vacant, even after the owners spent millions of dollars in renovations. Savanna, another real estate investment firm, purchased 95 Evergreen Ave. and managed to lease it to the city's Human Resources Administration.

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